> For the complete documentation index, see [llms.txt](https://knowledgebase.offer18.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledgebase.offer18.com/zh/tong-yong/ip-bai-ming-dan.md).

# IP 白名单

**一目了然**：Offer18 的 IP 地址用于

* API 出站请求
* Offer 同步
* S2S 回传给联盟成员

```
 白名单 IP - 35.230.165.242, 34.145.129.198, 35.245.65.44
```